linux-kernel - [PATCH 17/21] ntb_netdev: correct skb leak

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Message-Id: <1358586155-23322-18-git-send-email-jon.mason@intel.com>
Date:	Sat, 19 Jan 2013 02:02:31 -0700
From:	Jon Mason <jon.mason@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Dave Jiang <dave.jiang@...el.com>,
	Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: [PATCH 17/21] ntb_netdev: correct skb leak

If ntb_netdev is unable to pass a new skb to the ntb transport for
future rx packets, it should free the newly alloc'ed skb in the error
case.  Found by Kernel memory leak detector.

Signed-off-by: Jon Mason <jon.mason@...el.com>
---
 drivers/net/ntb_netdev.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
index 0d4a6ee..28d6fea 100644
--- a/drivers/net/ntb_netdev.c
+++ b/drivers/net/ntb_netdev.c
@@ -119,6 +119,7 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data,
 
 	rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN);
 	if (rc) {
+		dev_kfree_skb(skb);
 		ndev->stats.rx_errors++;
 		ndev->stats.rx_fifo_errors++;
 	}
-- 
1.7.9.5

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